Parent Company Only Condensed Financial Information - Condensed Statements of Cash Flows (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash flows from operating activities:
Net income	$ 43,164	$ 47,585	$ 20,503
Changes in operating assets and liabilities:
Net cash provided by (used in) operating activities	113,109	(547)	3,897
Cash flows from investing activities:
Net cash provided by (used in) investing activities	(293,924)	(662,908)	(217,147)
Cash flows from financing activities:
Proceeds from other borrowings	0	1,159,000	6,000
Repayments of other borrowings	0	(1,180,581)	(11,000)
Proceeds from Subordinated debt	0	39,067	0
Proceeds from issuance of common stock, net of issuance costs	(456)	0	1,268
Issuance of treasury stock	0	31	(358)
Purchase of treasury stock	0	(1,564)	(36,706)
Net cash provided by (used in) financing activities	647,299	720,902	257,207
Net increase in cash and cash equivalents	466,484	57,447	43,957
Cash and cash equivalents, beginning of year	201,978	144,531	100,574
Cash and cash equivalents, end of year	668,462	201,978	144,531
Parent Company
Cash flows from operating activities:
Net income	43,164	47,585	20,503
Adjustments to reconcile income to net cash (used in) provided by operating activities:
Amortization and accretion	1,095	1,055	1,023
(Equity) deficit in undistributed income of subsidiaries	(49,729)	(50,996)	7,163
Changes in operating assets and liabilities:
Other assets	(4,250)	(2,761)	(1,639)
Other liabilities	3,479	3,866	2,684
Net cash provided by (used in) operating activities	(6,241)	(1,251)	29,734
Cash flows from investing activities:
Payments for investments in and advances to subsidiaries	500	225	340
Contributions to subsidiaries	0	(17,000)	0
Net cash provided by (used in) investing activities	500	(16,775)	340
Cash flows from financing activities:
Proceeds from other borrowings	0	0	6,000
Repayments of other borrowings	0	(6,000)	(11,000)
Proceeds from Subordinated debt	0	39,067	0
Proceeds from issuance of common stock, net of issuance costs	(66)	0	1,268
Issuance of treasury stock	0	31	(358)
Purchase of treasury stock	0	(1,564)	(36,706)
Net cash provided by (used in) financing activities	(66)	31,472	(40,080)
Net increase in cash and cash equivalents	(5,807)	13,446	(10,006)
Cash and cash equivalents, beginning of year	16,948	3,502	13,508
Cash and cash equivalents, end of year	$ 11,141	$ 16,948	$ 3,502